wireless RF smoke alarm — Wanlin, 12-year Chinese smart fire detector manufacturer, WL-CO800 (4G Smart Carbon Monoxide Detector) certified UL/CE/EN54. Electrochemical CO Sensor + 4G LTE + IoT Cloud + LCD Display + 10-Year Battery. 10-year battery, 4G/NB-IoT/LoRaWAN, OEM/ODM from 500 units, factory direct pricing 50-70% below Western brands.
NB-IoT Wireless Smoke Detector China manufacturer. CE EN14604 UL RoHS FCC certified. 4G wireless smoke detection solution for Middle East market. OEM/ODM, wholesale, global shipping. Contact: wanlinfirecontrol@163.com